<template>
  <div class="page-container">
    <div class="card-title" v-show="showSearch">
      <el-form size="small" label-width="68px" :model="queryParams" ref="queryForm">
        <el-row :gutter="48">
          <el-col :md="6" :sm="24">
            <el-form-item label="字典名称">
              <el-input v-model="queryParams.dictName" class="search-item" placeholder="请输入字典名称" clearable></el-input>
            </el-form-item>
          </el-col>
          <el-col :md="6" :sm="24">
            <el-form-item label="字典类型">
              <el-input v-model="queryParams.dictType" class="search-item" placeholder="请输入字典类型" clearable></el-input>
            </el-form-item>
          </el-col>
          <el-col :md="6" :sm="24">
            <el-form-item label="字典状态">
              <el-select v-model="queryParams.status" class="search-item" placeholder="请选择字典状态" clearable>
                <el-option
                  v-for="dict in dict.type.sys_active_state"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value">
                </el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :md="6" :sm="24" v-if="advanced">
            <!-- 创建时间 -->
            <el-form-item label="创建时间">
              <el-date-picker
                v-model="queryParams.dataRange"
                class="search-item"
                value-format="yyyy-MM-dd"
                type="daterange"
                range-separator="-"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
              ></el-date-picker>
            </el-form-item>
          </el-col>
          <div class="search-content">
            <!-- 搜索按钮 -->
            <el-form-item class="search-button">
              <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
              <el-button icon="el-icon-refresh" size="mini" @click="handleReset">重置</el-button>
              <el-button
                type="text"
                :icon="advanced ? 'el-icon-arrow-up' : 'el-icon-arrow-down'"
                class="advanced-button"
                @click="toggleAdvanced">
                {{ advanced ? '关闭' : '展开' }}
              </el-button>
            </el-form-item>
          </div>
        </el-row>
      </el-form>
    </div>
    <div class="card">
      <el-row :gutter="10" class="button-container">
        <el-col :span="1.5">
          <el-button type="primary" icon="el-icon-plus" @click="handleAdd" size="mini" plain>
            新增
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="success" icon="el-icon-edit" size="mini" plain :disabled="single" @click="handleUpdate">编辑</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="danger" icon="el-icon-delete" size="mini" plain :disabled="multiple" @click="handleDelete" :loading="buttonLoading">删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="info" icon="el-icon-refresh" size="mini" plain :loading="buttonLoading" @click="refreshDictCache">刷新缓存</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" :columns="columns" @getTableData="getTableData"></right-toolbar>
      </el-row>

      <el-table v-loading="loading" element-loading-text="正在加载表格数据" :data="tableData" @selection-change="handleSelectionChange" border>
        <template slot="empty">
          <el-empty :image-size="200"></el-empty>
        </template>
        <el-table-column type="selection" width="50" align="center" />
        <!-- 字典名称 -->
        <el-table-column prop="dictName" label="字典名称" align="center" v-if="columns[0].visible"></el-table-column>
        <!-- 字典类型 -->
        <el-table-column prop="dictType" label="字典类型" align="center" v-if="columns[1].visible">
          <template slot-scope="scope">
            <router-link :to="'/system-content/dict-data/' + scope.row.id" class="link-type">
              {{ scope.row.dictType }}
            </router-link>
          </template>
        </el-table-column>
        <!-- 字典状态 -->
        <el-table-column prop="status" label="字典状态" align="center" v-if="columns[2].visible">
          <template slot-scope="scope">
            <el-tag v-if="scope.row.status" type="primary" size="small">正常</el-tag>
            <el-tag v-else type="danger" size="small">停用</el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="createTime" label="创建时间" align="center" v-if="columns[3].visible">
          <template slot-scope="scope">
            <span>{{ scope.row.createTime | dateFilter }}</span>
          </template>
        </el-table-column>
        <!-- 备注 -->
        <el-table-column prop="remark" label="备注" align="center" v-if="columns[4].visible" show-overflow-tooltip></el-table-column>
        <el-table-column label="操作"  align="center">
          <template slot-scope="scope">
            <el-button type="text" size="small" icon="el-icon-view" @click="gotoDictData(scope.row.id)">查看</el-button>
            <el-button type="text" size="small" icon="el-icon-edit" @click="handleUpdate(scope.row)">编辑</el-button>
            <el-button type="text" size="small" icon="el-icon-delete" @click="handleDelete(scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页器 -->
      <pagination
        :background="false"
        :total="total"
        :page.sync="queryParams.currentPage"
        :limit.sync="queryParams.pageSize"
        @pagination="getTableData"
      />
    </div>

    <!-- 字典类型信息对话框 -->
    <el-dialog
      :title="dictTypeTitle"
      width="500px"
      :modal-append-to-body="true"
      :append-to-body="true"
      :close-on-click-modal="false"
      :visible="dictTypeVisible"
      :before-close="handleClose">
      <div class="dictType-wrapper" v-loading="dictTypeLoading" element-loading-text="正在加载字典类型信息">
        <el-form ref="dictTypeForm" :model="formData" :rules="rules" label-width="80px" label-position="right">
          <el-row :gutter="15">
            <!-- 字典名称 -->
            <el-form-item label="字典名称" prop="dictName">
              <el-input v-model="formData.dictName" placeholder="请输入字典名称" clearable></el-input>
            </el-form-item>
            <!-- 字典类型 -->
            <el-form-item label="字典类型" prop="dictType">
              <el-input v-model="formData.dictType" placeholder="请输入字典类型" clearable></el-input>
            </el-form-item>
            <!-- 字典状态 -->
            <el-form-item label="字典状态" prop="status">
              <el-radio-group v-model="formData.status">
                <el-radio :label="true">正常</el-radio>
                <el-radio :label="false">停用</el-radio>
              </el-radio-group>
            </el-form-item>
            <!-- 备注 -->
            <el-form-item label="备注" prop="remark">
              <el-input type="textarea" v-model="formData.remark" placeholder="请输入备注" clearable></el-input>
            </el-form-item>
          </el-row>
        </el-form>
      </div>
      <div slot="footer">
        <el-button
          type="danger"
          :loading="buttonLoading"
          @click="handleClose()"
          size="small"
          icon="el-icon-error">
          取消
        </el-button>
        <el-button
          type="success"
          :loading="buttonLoading"
          @click="submitForm()"
          size="small"
          icon="el-icon-success">
          保存
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>
import Pagination from '../../../components/Pagination/index'
import RightToolbar from '../../../components/RightToolbar/index'
import { listDictTypes, saveDictType, getDictTypeById, deleteDictType, refresh } from '../../../api/system/dict-type'

export default {
  name: 'DictType',

  dicts: ['sys_active_state'],

  components: { Pagination, RightToolbar },

  data () {
    return {
      // 高级搜索 展开/关闭
      advanced: false,
      // 是否展示搜索内容
      showSearch: true,
      // 数据总条数
      total: 0,
      // 字典类型对话框是否显示
      dictTypeVisible: false,
      // 数据表格等待框
      loading: false,
      // 查询参数
      queryParams: {
        // 页数
        currentPage: 1,
        // 页面大小
        pageSize: 10,
        // 字典名称
        dictName: undefined,
        // 字典类型
        dictType: undefined,
        // 字典状态
        status: undefined,
        // 时间范围
        dataRange: []
      },
      // 字典类型表单对象
      formData: {
        // 字典名称
        dictName: undefined,
        // 字典类型
        dictType: undefined,
        // 备注
        remark: undefined,
        // 字典状态
        status: true
      },
      // 字典类型表单校验规则
      rules: {
        // 字典名称
        dictName: [{ required: true, message: '请输入字典名称', trigger: 'blur' }],
        // 字典类型
        dictType: [{ required: true, message: '请输入字典类型', trigger: 'blur' }],
        // 字典状态
        status: [{ required: true, message: '请选择字典状态', trigger: 'blur' }]
      },
      // 字典类型对话框等待框
      dictTypeLoading: false,
      // 对话框按钮等待框
      buttonLoading: false,
      // 列信息
      columns: [
        // 字典名称
        { key: 0, label: '字典名称', visible: true },
        // 字典类型
        { key: 1, label: '字典类型', visible: true },
        // 字典状态
        { key: 2, label: '字典状态', visible: true },
        { key: 3, label: '创建时间', visible: true },
        // 备注
        { key: 4, label: '备注', visible: true }
      ],
      // 表格数据
      tableData: [],
      // 表头选中的数据
      ids: [],
      // 多数据禁用
      single: true,
      // 单数据禁用
      multiple: true,
      // 对话框标题
      dictTypeTitle: ''
    }
  },

  mounted () {
    this.$nextTick(() => {
      // 赋值当前页面内容
      this.title = this.$route.meta.title
      // 查询表格数据
      this.getTableData()
    })
  },

  methods: {
    // 获取表格数据
    getTableData () {
      // 开启加载框
      this.loading = true
      listDictTypes(this.queryParams).then((res) => {
        // 赋值数据参数
        this.tableData = res.list
        this.total = res.total
        // 关闭等待框
        this.loading = false
      }).catch(() => {
        // 确保加载框可以关闭
        this.loading = false
      })
    },
    toggleAdvanced () {
      this.advanced = !this.advanced
    },
    // 点击查询按钮
    handleQuery () {
      this.queryParams.currentPage = 1
      this.getTableData()
    },
    // 点击重置按钮
    handleReset () {
      // 字典名称
      this.queryParams.dictName = undefined
      // 字典类型
      this.queryParams.dictType = undefined
      // 字典状态
      this.queryParams.status = undefined
      this.queryParams.dataRange = []
    },
    // 打开字典类型信息对话框
    handleOpen () {
      // 清除表单数据
      this.reset()
      this.dictTypeVisible = true
    },
    // 关闭字典类型对话框表单
    handleClose () {
      this.reset()
      this.dictTypeVisible = false
    },
    // 点击新增按钮
    handleAdd () {
      this.dictTypeTitle = '新增字典类型'
      this.handleOpen()
    },
    // 点击编辑按钮
    handleUpdate (row) {
      // 修改对话框标题
      this.dictTypeTitle = '更新字典类型'
      // 获取到传来的ID
      const dictTypeId = row.id || this.ids
      // 打开加载框
      this.dictTypeLoading = true
      // 根据字典类型ID获取对应的数据
      getDictTypeById(dictTypeId).then((res) => {
        // 赋值当前的字典类型数据
        this.formData = res
        // 打开编辑字典类型对话框
        this.dictTypeVisible = true
        // 关闭加载框
        this.dictTypeLoading = false
      }).catch(() => {
        // 关闭加载框
        this.dictTypeLoading = false
      })
    },
    // 点击删除事件
    handleDelete (row) {
      const that = this
      let dictTypeIds = []
      if (row.id) {
        dictTypeIds.push(row.id)
      } else {
        dictTypeIds = this.ids
      }
      this.$confirm('是否确认删除选中的字典类型数据？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        that.buttonLoading = true
        that.loading = true
        deleteDictType(dictTypeIds).then((res) => {
          that.buttonLoading = false
          that.$message.success('删除成功')
          // 刷新数据
          that.getTableData()
        }).catch(() => {
          // 确保加载框会关闭
          that.buttonLoading = false
          that.loading = false
        })
      }).catch(() => {})
    },
    // 提交表单
    submitForm () {
      const that = this
      this.$refs.dictTypeForm.validate(valid => {
        // 校验未通过则直接返回
        if (!valid) return
        // 开启加载框
        that.buttonLoading = true
        that.dictTypeLoading = true
        // 提交表单
        saveDictType(that.formData).then((res) => {
          // 根据是否存在ID输出对应消息
          if (that.formData.id) {
            // 输出更新成功信息
            that.$message.success('字典类型信息更新成功')
          } else {
            // 输出添加成功消息
            that.$message.success('字典类型添加成功')
          }
          // 刷新表单数据并关闭对话框
          that.handleClose()
          // 刷新字典类型数据
          that.getTableData()
          // 关闭加载框
          that.buttonLoading = false
          that.dictTypeLoading = false
        }).catch(() => {
          // 关闭加载框
          that.buttonLoading = false
          that.dictTypeLoading = false
        })
      })
    },
    // 刷新缓存
    refreshDictCache () {
      const that = this
      that.buttonLoading = true
      refresh().then(() => {
        // 清空vuex中的字典数据
        this.$store.dispatch('dict/cleanDictData')
        this.$message.success('字典缓存刷新成功')
        that.buttonLoading = false
      }).catch(() => {
        that.buttonLoading = false
      })
    },
    // 重置表单
    reset () {
      // 清除校验条件
      this.formData = {
        // 字典类型ID
        id: undefined,
        // 字典名称
        dictName: undefined,
        // 字典类型
        dictType: undefined,
        // 字典状态
        status: true
      }
      // 清除表单校验
      this.resetForm('dictTypeForm')
    },
    // 多选框
    handleSelectionChange (selection) {
      // 获取当前选中数组的ID
      this.ids = selection.map(item => item.id)
      // 表头的编辑是否可以点击
      this.single = selection.length !== 1
      // 表头的删除是否可以点击
      this.multiple = !selection.length
    },
    // 跳转到对应字典类型页面
    gotoDictData (dictTypeId) {
      this.$router.push('/system-content/dict-data/' + dictTypeId)
    }
  }
}

</script>

<style lang="scss" scoped>
.dictType-wrapper {
  padding: 10px 30px;
}
</style>
